Home / 274,614.04-378,947.10-153,727.48

Finding the Fourth Proportional to 274,614.04, 378,947.10 and 153,727.48

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Solution

The fourth proportional to 274,614.04, 378,947.10 and 153,727.48 is: 212,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,614.04 : 378,947.10 = 153,727.48 : x
  2. Step 2: Convert to fraction form
    274,614.04/378,947.10 = 153,727.48/x
  3. Step 3: Cross multiply
    274,614.04x = 378,947.10 × 153,727.48
  4. Step 4: Simplify right side
    274,614.04x = 58,254,582,736.31
  5. Step 5: Solve for x
    x = 58,254,582,736.31/274,614.04
  6. Step 6: Final answer
    x = 212,132.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.